C09K 11/592
Chalcogenides
Official title: {Chalcogenides}
C09K11/592 (Chalcogenides) appears on 256 US grants and 262 published applications in this corpus.
Search patents in C09K- Granted patents
- 256
- Published applications
- 262
- Assignees
- 117
- Inventors
- 572
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 2 |
| 2002 | 6 | 9 |
| 2003 | 9 | 11 |
| 2004 | 7 | 20 |
| 2005 | 8 | 28 |
| 2006 | 19 | 20 |
| 2007 | 17 | 28 |
| 2008 | 14 | 20 |
| 2009 | 14 | 29 |
| 2010 | 14 | 16 |
| 2011 | 13 | 7 |
| 2012 | 16 | 4 |
| 2013 | 8 | 16 |
| 2014 | 3 | 2 |
| 2015 | 7 | 6 |
| 2016 | 6 | 4 |
| 2017 | 4 | 8 |
| 2018 | 1 | 4 |
| 2019 | 3 | 8 |
| 2020 | 6 | 6 |
| 2021 | 2 | 3 |
| 2022 | 8 | 5 |
| 2023 | 3 | 3 |
| 2024 | 4 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nanoparticles with tunable afterglow and compositions and methods thereof19 May 2026US 12,629,431 B2University of Massachusetts
- Lighting system for protecting circadian neuroendocrine function29 Apr 2025US 12,285,626 B2Korrus, Inc.
- Fluorescent body, method for manufacturing same, and light-emitting device using same31 Dec 2024US 12,180,402 B2National Institute for Materials Science
- Phosphor powder and light emitting device11 Jun 2024US 12,006,459 B2Denka Company Limited
- Method for manufacturing phosphor powder, phosphor powder, and light emitting device9 Apr 2024US 11,952,520 B2Denka Company Limited
- Methods of improving emission output of coated energy modulation agents and compositions produced thereby5 Feb 2026US 2026/0035587 A1Immunolight, LLC
- Lighting system for protecting circadian neuroendocrine function13 Nov 2025US 2025/0345626 A1Korrus, Inc.
- More efficient photoluminescent material26 Jun 2025US 2025/0207018 A1The Swatch Group Research and Development Ltd
- Method for manufacturing phosphor powder, phosphor powder, and light emitting device12 Oct 2023US 2023/0323199 A1Denka Company Limited
- Phosphor powder and light emitting device12 Oct 2023US 2023/0323201 A1Denka Company Limited
Most cited
By later US patents
- Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same135US 6,180,029 B2Superior MicroPowders LLC · 2001
- Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same110US 6,153,123 ASuperior MicroPowders LLC · 2000
- Electrocatalyst powders, methods for producing powders and devices fabricated from same88US 6,660,680 B1Superior MicroPowders LLC · 2003
- Coated nickel-containing powders, methods and apparatus for producing such powders and devices fabricated from same85US 7,384,447 B2Cabot Corporation · 2008
- Fluorescent material and light-emitting device83US 8,169,131 B2Nichia Corporation · 2012